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Edge Wound Resistors

Neutral Earthing Resistors For Fault Protection
 
Motor Control Resistor WATTS RANGE 150-400
 
 
TYPICAL RESISTANCE VALUES TOLERANCE ±10%
CONTINUOUS CURRENT RATINGS AT 2800C TEMPERATURE RISE
OHMS 0.5 0.6 0.75 1.0 1.3 1.7 2.2 2.8 3.5 4 5 6.5 9 13 16
AMP 28 24 20 16 16 14 11 11 9 9 8 6.5 5 3.8 3.2
 
 
Standard Construction :
  • High thermal Capacity grooved ceramic former,
  • Open wire winding.
  • Self locking robust terminals
  • Phosphor bronze adjustable brands.
  • Steel mounting brackets for panel mounting
 
CONTINUOUS CURRENT RATINGS AND OHMIC VALUES
 
AMPERS TEMP RISE0C D.C. OHMS±10%
2800C BS 587 3750C IC-1 IC-2 IC-3 IC-4 IC-5 IC-6
46 58 .0562 .1266 .1978 .270 .340 .410
44 58 .071 .160 .251 .341 .430 .520
35 43 .100 .255 .351 .478 .605 .731
29 36 .123 .277 .436 .594 .748 .902
25 32 .177 .396 .622 .847 1.070 1.290
23 28 .219 .495 .772 1.051 1.330 1.610
20 25 .331 .703 1.100 1.490 1.890 2.290
16 21 .446 1.054 1.644 2.238 2.832 3.430
 
CURRENT RATINGS REFER TP SPECIFIED TEMP. RISE IN FREE AIR. MAX. CONTINUOUS TEMP. NOT TO EXCEED4500C
 
 
Standard Construction :
 
The Grid Resistance consists of helix of an edge wound resistance strip mounted on porcelain insulators which are located on a steel support acting also as mounting.
 
Maximum surface area of resistance material is exposed to the cooling air to give high thermal capacity and excellent ventilation. This enables ratings to be considerably increased where the loading is intermittent and of short duration.
 
The simplicity of design makes multiple assemblies into a bank possible.
 
TYPE IC-1 IC-2 IC-3 IC-4 IC-5 IC-6
FIXING CENTRES 124 200 276 352.5 429 505
OVERALL LENGTH 146 222 298 374.5 451 527
 
 
 
Neutral Earthing Resistor | Battery Discharge Resistor Unit | Wire Wound Resistors | Potentiometers | Wire / Plate Grids | Edge Wound Resistors | Cold plate used by BHEL | Cold plate and LBB used by BT | Cold plate and LBB used by CG
 
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Iresco Electricals Pvt. Ltd.
Address : Asha Studios, Next to R.K. Studio, Chembur, P.O. Box 7230, Mumbai-400071, Maharashtra, India.
Telephone : +91-22-25205501/2, 25203881/2.
Fax : +91-22-25200370
Mobile No. : 9322225505
Website : irescoelectricals.com
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